private static final ModelType<BinarySpec> BINARY_SPEC = ModelType.of(BinarySpec.class);
    private static final ModelType<NamedEntityInstantiator<Task>> TASK_FACTORY = new ModelType<NamedEntityInstantiator<Task>>() {
    };
    private static final ModelType<Task> TASK = ModelType.of(Task.class);

                            @Override
                            public NamedEntityInstantiator<Task> transform(MutableModelNode modelNode) {

    def "created items get added to the backing collection"() {
        given:
        def backingCollection = Mock(DomainObjectCollection)
        def instantiator = Mock(NamedEntityInstantiator)
        def modelMap = DomainObjectCollectionBackedModelMap.wrap("thing", SomeType, backingCollection, instantiator, Named.Namer.INSTANCE, Actions.doNothing())

        when:
        modelMap.create("alma")